X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=blobdiff_plain;f=Documentation%2Fmedia%2Fuapi%2Fdvb%2Fvideo-command.rst;h=536d0fdd8399824975fa2abc59fc2c3eaa048ba2;hp=b1634f722cbd42417fda98f5e131015cf675050b;hb=8a1e377e55f2dca5c689926313beeaa8ac2adb22;hpb=33e09f0ee76e9e4108c5aed67e027ef5e3fe0634 diff --git a/Documentation/media/uapi/dvb/video-command.rst b/Documentation/media/uapi/dvb/video-command.rst index b1634f722cbd..536d0fdd8399 100644 --- a/Documentation/media/uapi/dvb/video-command.rst +++ b/Documentation/media/uapi/dvb/video-command.rst @@ -11,11 +11,13 @@ Name VIDEO_COMMAND +.. attention:: This ioctl is deprecated. Synopsis -------- -.. cpp:function:: int ioctl(int fd, int request = VIDEO_COMMAND, struct video_command *cmd) +.. c:function:: int ioctl(int fd, VIDEO_COMMAND, struct video_command *cmd) + :name: VIDEO_COMMAND Arguments @@ -57,6 +59,36 @@ subset of the ``v4l2_decoder_cmd`` struct, so refer to the :ref:`VIDIOC_DECODER_CMD` documentation for more information. +.. c:type:: struct video_command + +.. code-block:: c + + /* The structure must be zeroed before use by the application + This ensures it can be extended safely in the future. */ + struct video_command { + __u32 cmd; + __u32 flags; + union { + struct { + __u64 pts; + } stop; + + struct { + /* 0 or 1000 specifies normal speed, + 1 specifies forward single stepping, + -1 specifies backward single stepping, + >1: playback at speed/1000 of the normal speed, + <-1: reverse playback at (-speed/1000) of the normal speed. */ + __s32 speed; + __u32 format; + } play; + + struct { + __u32 data[16]; + } raw; + }; + }; + Return Value ------------